April, it seems your dream weaves together themes of intimacy, family bonds, and lighthearted pleasure. The continuous intimacy with your husband at his sister's house suggests a deep connection and comfort within your marital relationship, even when you are in spaces that belong to others in your extended family. This could symbolize the seamless integration of your personal life with your familial commitments, highlighting a balance that you may feel or desire between these aspects of your life.
Watching Disney movies post-intimacy is a juxtaposition of adult experiences with childlike innocence, hinting at a desire for simplicity and nostalgia within your life. It's as though, after fulfilling adult responsibilities and desires, you're seeking a return to the uncomplicated joys of childhood. The act of watching something so innocent after something so intimate could also suggest a yearning for purity and rest after periods of intensity in your relationship or life in general.
When you left the room, the dream shifted to a more communal family experience, sharing cotton candy with your sister-in-law and her children. Cotton candy, a treat often associated with funfairs and carefree times, might indicate moments of shared happiness with family and an appreciation for the sweeter, simpler things in life. The fact that you find humor in the children taking and eating the cotton candy could reflect a joyful acceptance of the playful and sometimes unpredictable nature of family life.
Overall, your dream seems to reflect a harmonious blend of your adult and family life, an appreciation for the simple joys, and perhaps a subconscious acknowledgement of the pleasure found in the balance between the two. It's a vivid representation of life's multifaceted experiences, from the deeply personal to the broadly familial, and the contentment that can be found in embracing them all.